Chinese Standard: GB/T 19227-2008

Determination of nitrogen in coal

MOD  ISO 333:1996;ISO/TS 11725:2002

全国煤炭标准化技术委员会

本标准规定了测定煤、焦炭和水煤浆中氮的半微量开氏法和半微量蒸汽法的原理、试剂和材料、仪器设备、试验步骤、结果计算及精密度等。
开氏法适用于褐煤、烟煤、无烟煤和水煤浆；蒸汽法适用于烟煤、无烟煤和焦炭。

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